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Appendix 5.5.2
The following table lists the special register not supported by the Universal model QCPU and measures to be
taken.
Number
Name/Description
SD80
CHK number
SD90
SD91
SD92
SD93
SD94
Step transition monitoring timer
setting value
SD95
SD96
SD97
SD98
SD99
SD130 to
Fuse blown module
SD137
SD150 to
I/O module verify error
SD157
SD245
No. of base slots (Mounting status)
SD246
SD280
CC-Link error
SD281
Time reserved for communication
SD315
processing
SD394
CPU mounting information
SD430
Low-speed scan counter
Low-speed execution type program
SD510
number
SD528
Current scan time for low-speed
execution type programs
SD529
SD532
Minimum scan time for low-speed
execution type programs
SD533
SD534
Maximum scan time for low-speed
execution type programs
SD535
SD544
Cumulative execution time for low-
speed execution type programs
SD545
SD546
Execution time for low-speed
execution type programs
SD547
Special register list
The Universal model QCPU does not support the CHK instruction. For the replacing
method of the CHK instruction, refer to Page 529, Appendix 5.3.3 (4).
The Universal model QCPU does not support the step transition monitoring timer
function. For the replacing method of this function, refer to Appendix 3 "Restrictions
on Basic Model QCPU, Universal Model QCPU, and LCPU and Alternative Methods"
in the MELSEC-Q/L/QnA Programming Manual (SFC).
Replace SD130 to SD137 with SD1300 to SD1307.
Replace SD150 to SD157 with SD1400 to SD1407.
Replace SD245 and SD246 with SD243 and SD244, respectively.
Replace these registers with the I/O signals (Xn0, Xn1, and XnF) of the mounted CC-
Link module.
Service processing setting is available for the Universal model QCPU on the PLC
system setting tab of the PLC parameter dialog box.
Select "Specify service process time." for the service processing setting parameter
and set the service processing time. Other setting methods can be selected as well.
• Check the type and model of other CPU modules mounted on the System monitor
screen of GX Developer.
• Check the mounting status of other CPU modules in SD396 to SD398.
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections or replace them with the special register for scan
execution type programs (SD420).
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections or replace them with the special register for scan
execution type programs (SD500).
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections or replace them with the special register for scan
execution type programs (SD520 and SD521).
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections or replace them with the special registers for scan
execution type programs (SD524 to SD527).
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections.
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections.
Measures
APPENDICES
A
565
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